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Gas furnaces have several safety features, including a pressure switch. Whether you have an older low-efficiency gas furnace or a newer modulating furnace, it will produce flue gases. Also known as stack gases, it’s the byproduct of burning natural gas. To ensure that flue gases are properly ventilated, gas furnaces feature a pressure switch. What …
You shouldn’t use your furnace if it has a cracked heat exchanger. Aside from affecting your furnace’s heating performance, it can be very dangerous to you and your family. An Introduction to Heat Exchangers Heat exchangers are devices that transfer or “exchange” heat from a source to a destination. There are many different types of …
A limit switch is an important part of most residential furnaces. It controls the blower while also protecting against overheating. The limit switch will perform these tasks automatically; you won’t have to make any manual adjustments to your furnace. If it fails, however, you’ll need to get your furnace serviced by a heating, ventilation, and …
If you’re considering switching from a furnace to a heat pump, you should familiarize yourself with balance points. All heat pumps have a balance point. While you might be familiar with traditional heating specifications like British Thermal Units (BTUs) and Annual Fuel Utilization Efficiency (AFUE), you might not be familiar with balance points. Balance Points …
Not all furnaces have a sequencer. If you own an electric furnace, it will likely have a sequencer, but they are not found in gas furnaces. The sequencer will regulate the heating element while allowing your electric furnace to safely produce heat. How does a sequencer work exactly? What Is a Sequencer? Electric heating elements …
You can’t choose the right heat pump for your home without considering its energy usage. The U.S. Department of Energy (DOE) states that heat pumps are approximately 50% more energy efficient than electric furnaces. Instead of an electric heating element, heat pumps use a pair of coils to provide heating and cooling. While nearly all …
If your furnace is blowing cool air, you may want to check the limit switch. It’s a dual-purpose device that controls the blower and protects against excessive hot temperatures. While limit switches can fail in different ways, some forms of failure can result in cool air coming out of the supply vents. What Is a …
When setting the temperature on your thermostat, you may notice an option for emergency heat. Also known as auxiliary heat, it’s a common feature of many heat pump systems. It’s not the same as the standard heat setting. While both settings will generate warm air, the emergency heat setting uses a different method of operation. …
If your furnace is powered by natural gas, it may feature a pilot light that is responsible for igniting the burners. As you probably know, the pilot light must stay lit so that the burners will continue to burn the natural gas. If it goes out, the burners will stop working. As a result, your …
If you are currently considering a new furnace for your home you may want to think about upgrading to a modulating furnace. They offer a superior level of energy efficiency, making them a smart investment for homeowners. We’ve listed a few of the benefits below. What Is a Modulating Furnace? Most furnaces fall under one …
